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EP4226679A4 - MULTICAST TRANSMISSION METHOD AND DEVICE - Google Patents

MULTICAST TRANSMISSION METHOD AND DEVICE Download PDF

Info

Publication number
EP4226679A4
EP4226679A4 EP21883301.0A EP21883301A EP4226679A4 EP 4226679 A4 EP4226679 A4 EP 4226679A4 EP 21883301 A EP21883301 A EP 21883301A EP 4226679 A4 EP4226679 A4 EP 4226679A4
Authority
EP
European Patent Office
Prior art keywords
transmission method
multicast transmission
multicast
transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21883301.0A
Other languages
German (de)
French (fr)
Other versions
EP4226679A1 (en
Inventor
Hong Wang
Lixiang Xu
Weiwei Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202011562841.3A external-priority patent/CN114390449A/en
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP4226679A1 publication Critical patent/EP4226679A1/en
Publication of EP4226679A4 publication Critical patent/EP4226679A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0007—Control or signalling for completing the hand-off for multicast or broadcast services, e.g. MBMS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/40—Connection management for selective distribution or broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/189—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast in combination with wireless systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0016—Hand-off preparation specially adapted for end-to-end data sessions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0064—Transmission or use of information for re-establishing the radio link of control information between different access points
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/02—Buffering or recovering information during reselection ; Modification of the traffic flow during hand-off
    • H04W36/023—Buffering or recovering information during reselection
    • H04W36/0235—Buffering or recovering information during reselection by transmitting sequence numbers, e.g. SN status transfer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)
EP21883301.0A 2020-10-21 2021-10-21 MULTICAST TRANSMISSION METHOD AND DEVICE Pending EP4226679A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN202011134044 2020-10-21
CN202011562841.3A CN114390449A (en) 2020-10-21 2020-12-25 Method and apparatus for multicast transmission
PCT/KR2021/014846 WO2022086233A1 (en) 2020-10-21 2021-10-21 Method and device for multicast transmission

Publications (2)

Publication Number Publication Date
EP4226679A1 EP4226679A1 (en) 2023-08-16
EP4226679A4 true EP4226679A4 (en) 2024-04-03

Family

ID=81185797

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21883301.0A Pending EP4226679A4 (en) 2020-10-21 2021-10-21 MULTICAST TRANSMISSION METHOD AND DEVICE

Country Status (5)

Country Link
US (1) US12207080B2 (en)
EP (1) EP4226679A4 (en)
JP (1) JP7785763B2 (en)
KR (1) KR20230091857A (en)
WO (1) WO2022086233A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116746211A (en) * 2021-01-08 2023-09-12 联想(北京)有限公司 Method and apparatus for multicast and broadcast services
CN112866929A (en) * 2021-01-15 2021-05-28 中兴通讯股份有限公司 Processing method, network node and storage medium
CN115150751B (en) * 2021-03-30 2024-11-29 维沃移动通信有限公司 Service data processing method, device and equipment
CN117412249A (en) * 2022-07-15 2024-01-16 北京三星通信技术研究有限公司 Base stations and methods of execution
WO2024031228A1 (en) * 2022-08-08 2024-02-15 Lenovo (Beijing) Limited Method and apparatus of supporting multicast and broadcast services

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018126905A1 (en) * 2017-01-06 2018-07-12 中兴通讯股份有限公司 Data transmission method during process of movement, and terminal and base station

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5080644B2 (en) * 2007-06-18 2012-11-21 エルジー エレクトロニクス インコーポレイティド Downlink packet data convergence protocol operation during handover
CN104540177B (en) * 2009-06-17 2018-06-15 交互数字专利控股公司 A kind of alms giver's evolved node B and the method being used by it
US12082055B2 (en) * 2016-11-17 2024-09-03 Comcast Cable Communications, Llc Handover of user equipment with multimedia broadcast multicast services
US10455472B2 (en) * 2016-12-13 2019-10-22 Htc Corporation Device and method of handling data transmissions in a wireless communication system
WO2018203739A1 (en) * 2017-05-05 2018-11-08 Samsung Electronics Co., Ltd. Method for establishing a fronthaul interface, method for performing access for a ue, method and apparatus for performing a handover for a ue, data forwarding method, user equipment and base station
CN109151925A (en) * 2017-06-16 2019-01-04 华为技术有限公司 Method, the network equipment and terminal device for cell switching
US10687263B2 (en) * 2018-02-15 2020-06-16 Qualcomm Incorporated Enhanced make-before-break handover

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018126905A1 (en) * 2017-01-06 2018-07-12 中兴通讯股份有限公司 Data transmission method during process of movement, and terminal and base station

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
OPPO: "Discussion on mobility with MBS Service continuity", vol. RAN WG2, no. electronic; 20200817 - 20200828, 7 August 2020 (2020-08-07), XP052359923, Retrieved from the Internet <URL:https://ftp.3gpp.org/tsg_ran/WG2_RL2/TSGR2_111-e/Docs/R2-2006802.zip R2-2006802-Discussion on mobility with MBS Service continuity.doc> [retrieved on 20200807] *
QUALCOMM INCORPORATED: "Loss-less handover procedure for NR multicast", vol. RAN WG3, no. E-Meeting; 20200817 - 20200828, 23 October 2020 (2020-10-23), XP051945750, Retrieved from the Internet <URL:https://ftp.3gpp.org/tsg_ran/WG3_Iu/TSGR3_110-e/Docs/R3-206177.zip R3-206177_handover procedure for multicast v1.doc> [retrieved on 20201023] *
See also references of WO2022086233A1 *

Also Published As

Publication number Publication date
JP7785763B2 (en) 2025-12-15
US20220124583A1 (en) 2022-04-21
JP2023547140A (en) 2023-11-09
KR20230091857A (en) 2023-06-23
WO2022086233A1 (en) 2022-04-28
EP4226679A1 (en) 2023-08-16
US12207080B2 (en) 2025-01-21

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Ipc: H04W 4/06 20090101ALN20240227BHEP

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